pds_core: make pdsc_auxbus_dev_del() void

Since there really is no useful return, advertising a return value
is rather misleading. Make pdsc_auxbus_dev_del() a void function.

Link: https://patch.msgid.link/r/[e-mail]
Reviewed-by: Leon Romanovsky <[e-mail]>
Reviewed-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Kalesh AP <[e-mail]>
Reviewed-by: Dave Jiang <[e-mail]>
Signed-off-by: Shannon Nelson <[e-mail]>
Signed-off-by: Jason Gunthorpe <[e-mail]>

drivers/net/ethernet/amd/pds_core/auxbus.c

···
 	return padev;
 }
 
-int pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf)
+void pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf)
 {
 	struct pds_auxiliary_dev *padev;
-	int err = 0;
-
-	if (!cf)
-		return -ENODEV;
 
 	mutex_lock(&pf->config_lock);
 
···
 	pf->vfs[cf->vf_id].padev = NULL;
 
 	mutex_unlock(&pf->config_lock);
-	return err;
 }
 
 int pdsc_auxbus_dev_add(struct pdsc *cf, struct pdsc *pf)

drivers/net/ethernet/amd/pds_core/core.h

···
 void pdsc_unregister_notify(struct notifier_block *nb);
 void pdsc_notify(unsigned long event, void *data);
 int pdsc_auxbus_dev_add(struct pdsc *cf, struct pdsc *pf);
-int pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf);
+void pdsc_auxbus_dev_del(struct pdsc *cf, struct pdsc *pf);
 
 void pdsc_process_adminq(struct pdsc_qcq *qcq);
 void pdsc_work_thread(struct work_struct *work);

drivers/net/ethernet/amd/pds_core/devlink.c

···
 	for (vf_id = 0; vf_id < pdsc->num_vfs; vf_id++) {
 		struct pdsc *vf = pdsc->vfs[vf_id].vf;
 
-		err = ctx->val.vbool ? pdsc_auxbus_dev_add(vf, pdsc) :
-				       pdsc_auxbus_dev_del(vf, pdsc);
+		if (ctx->val.vbool)
+			err = pdsc_auxbus_dev_add(vf, pdsc);
+		else
+			pdsc_auxbus_dev_del(vf, pdsc);
 	}
 
 	return err;